@article {32003,
	title = {Geochemistry of the thiourea adduct fraction from an Alberta petroleum},
	volume = {43},
	year = {1979},
	pages = {1387-1392},
	publisher = {Geochimica et Cosmochimica Acta},
	author = {Rubinstein, I. and Strausz, O. P.}
}
